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CVE-2018-5094 Details

Description

A heap buffer overflow vulnerability may occur in WebAssembly when "shrinkElements" is called followed by garbage collection on memory that is now uninitialized. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1415883	CVE	Issue TrackingPermissions Required
https://usn.ubuntu.com/3544-1/	CVE	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/	CVE	Vendor Advisory
http://www.securityfocus.com/bid/102786	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040270	CVE	Third Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1415883	[email protected]	Issue TrackingPermissions Required
https://usn.ubuntu.com/3544-1/	[email protected]	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/102786	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040270	[email protected]	Third Party AdvisoryVDB Entry

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
mozilla firefox	<= 57.0.4
CPE cpe:2.3:a:mozilla:firefox:::::::: Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 17.10
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 25, 2018	Initial Analysis	[email protected]
Jun 13, 2018	CVE Modified	[email protected]